Dual-seed-fixing precise seed-metering device
A kind of seed metering and precision technology, which is applied in the direction of single seed planter, planter parts, interval quantitative sowing machinery, etc., which can solve the problems of easy wear, difficult control of seed metering accuracy, poor adaptability to high-speed seed filling, etc.
Inactive Publication Date: 2020-09-29
薛攀
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Problems solved by technology
The air-suction precision seed metering device has high seeding accuracy and good versatility, but it has high requirements on the sealing of the air chamber, the structure is more complicated, and it is easy to wear; the mechanical seed metering device such as the eye wheel and the horizontal disc mainly rely on Gravity or seed pusher for seeding, although the structure is simple and easy to maintain, but it has poor adaptability to high-speed seed filling and it is difficult to control the seeding accuracy during the working process
Method used
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[0011] like figure 1 , figure 2 and image 3 As shown, a double fixed seed metering device is composed of a housing 1, a seeding wheel 5, a seed picker 7, an inoculation cup 8, a seeding shaft 6 and a seeding tube 4.
[0012] The seed injection pipe 4 is arranged on one side of the housing 1 , the seed injection pipe 4 is connected to the housing 1 , and the seeds enter the seed wheel 5 through the seed injection pipe 4 .
[0013] The seed metering wheel 5 is arranged inside the housing 1, connected with the housing 1 through the seed metering shaft 6, and shares the seed metering device cover with the housing 1; the seed metering wheel 5 is a semi-closed cavity.
[0014] The seed picker 7 is arranged on the inner wall of the circumference of the seed wheel 5, and when it turns over the seed cluster, the two side plates of the seed picker 7 guide the seeds into the guide groove; The stress changes, and the redundant seeds slide down due to their own gravity, and the seeds ...
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Abstract
The invention provides a dual-seed-fixing precise seed-metering device. The dual-seed-fixing precise seed-metering device is composed of a shell body, a seed-metering wheel, seed takers, seed receiving cups, a seed-metering shaft and a seed inlet tube and is characterized in that the seed-metering wheel is connected with the seed-metering shaft, the seed takers and the seed receiving cups are uniformly and alternately distributed on the internal wall of the seed-metering wheel, the seed inlet tube is arranged on the shell body and communicates with the shell body, and a seed-metering port is formed in the lower end of the shell body. According to the dual-seed-fixing precise seed-metering device, through designing a guiding groove and dual seed fixing plates, seeds can be queued in an orderly manner and quantitatively separated, seed taking, seed carrying, seed clearing and single-grain seed metering are achieved, and thus, the accuracy of seed metering is improved.
Description
technical field [0001] The invention relates to a seed metering device for a planter, in particular to a double-fixed and precise seed metering device. Background technique [0002] The seed meter is one of the core components of the precision seeder. At present, there are mainly two types of single-grain precision metering devices: air suction type and mechanical type. The air-suction precision seed metering device has high seeding accuracy and good versatility, but it has high requirements on the sealing of the air chamber, the structure is more complicated, and it is easy to wear; the mechanical seed metering device such as the eye wheel and the horizontal disc mainly rely on Gravity or seed pushers are used for seeding, although the structure is simple and easy to maintain, but it has poor adaptability to high-speed seed filling and it is difficult to control the seeding accuracy during the working process. The process of picking and clearing seeds is the key to affect...
Claims
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Patent Timeline
Login to View More IPC IPC(8): A01C7/04A01C7/18A01C7/20
CPCA01C7/04A01C7/18A01C7/20
Inventor 不公告发明人
Owner 薛攀